13653345 has 16 divisors (see below), whose sum is σ = 22599360. Its totient is φ = 7030464.

The previous prime is 13653337. The next prime is 13653347. The reversal of 13653345 is 54335631.

It is a happy number.

It is not a de Polignac number, because 13653345 - 2³ = 13653337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13653347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15259 + ... + 16128.

It is an arithmetic number, because the mean of its divisors is an integer number (1412460).

Almost surely, 2^13653345 is an apocalyptic number.

13653345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13653345 is a deficient number, since it is larger than the sum of its proper divisors (8946015).

13653345 is a wasteful number, since it uses less digits than its factorization.

13653345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31424.

The product of its digits is 16200, while the sum is 30.

The square root of 13653345 is about 3695.0433015054. The cubic root of 13653345 is about 239.0083212266.

Adding to 13653345 its reverse (54335631), we get a palindrome (67988976).

The spelling of 13653345 in words is "thirteen million, six hundred fifty-three thousand, three hundred forty-five".